The independent variable is D. neuroticism scores.
<h3>What is an independent variable?</h3>
It should be noted that an independent variable is the the factor or condition which one manipulates in an experiment.
Here, the psychologist collects data on personality, and finds that scores on neuroticism explain why
people choose a safer or more risky interaction style.
In this case, the independent variable is neuroticism scores
Learn more about variables on:
brainly.com/question/25223322
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Answer:
It's the law of cosines
Step-by-step explanation:
law of cosines states that 
so we know that a = 7, b = 4, and alpha would be 135 degrees, so just plugging it in gets us 49+16-2*7*4*(-0.707) = 65 + 39.59 = 104.59
Your answer would be y + 9 = m(x + 6)